Grønbæk, K., Madsen, O. L., Møller, K. J., Nørgaard, J., Sandvad, E. & Trigg, R. (1992).
EuroCoOp Workpackage WP5 Task T5.1 Deliverable D5.1: Hypermedia Design Tool.
Bødker, S., Christiansen, E. T., Ehn, P.
, Markussen, R., Mogensen, P. H. & Trigg, R. (1991).
Computers in Context. Report from the AT-project in progress. I
Proceedings of NES/SAM (s. 153-158)
Greenbaum, J.
& Kyng, M. (1991).
Design by Doing. I J. Greenbaum & M. Kyng (red.),
Design at Work: Cooperative Design of Computer Systems (s. 269-280). Lawrence Erlbaum Associates.